CraftBukkitServer

Hey guys im kinda new here but i got the hang of the only server but i want to start a lan CraftBukkit server but every time i set the property to "Online-Mode" as shown when i try to connect it just times out, NO i did not pirate minecraft. I've made the normal mine craft server offline so my friend can join it but i cant do it with CraftBukkit. Please help me guys
Thanks
Goobaa